public override void ViewDidLoad()
{
base.ViewDidLoad();
RouteViews = new Dictionary <string, CSRouteView>();
// load the points from local resource (file)
var filePath = NSBundle.MainBundle.PathForResource("route", "csv", "MapLineSharp", "");
var fileContents = System.IO.File.ReadAllText(filePath);
var pointStrings = fileContents.Split('\n');
var points = new List <CLLocation>();
foreach (var ps in pointStrings)
{
// break the string down into latitude and longitude fields
var latLonArr = ps.Split(',');
double latitude = Convert.ToDouble(latLonArr[0]);
double longitude = Convert.ToDouble(latLonArr[1]);
CLLocation currentLocation = new CLLocation(latitude, longitude);
points.Add(currentLocation);
}
//
// Create our map view and add it as as subview.
//
_mapView = new MKMapView();
_mapView.Frame = new RectangleF(0, 0, this.View.Frame.Width, this.View.Frame.Height);
View.AddSubview(_mapView);
_mapView.Delegate = new MapViewDelegate(this);
// CREATE THE ANNOTATIONS AND ADD THEM TO THE MAP
// first create the route annotation
CSRouteAnnotation routeAnnotation = new CSRouteAnnotation(points);
_mapView.AddAnnotation(routeAnnotation);
CSMapAnnotation annotation = null;
annotation = new CSMapAnnotation(points[0].Coordinate, CSMapAnnotationType.Start, "Start Point");
_mapView.AddAnnotation(annotation);
annotation = new CSMapAnnotation(points[points.Count - 1].Coordinate, CSMapAnnotationType.End, "End Point");
_mapView.AddAnnotation(annotation);
//TODO:create the image annotation
_mapView.SetRegion(routeAnnotation.Region, false);
}
public override void ViewDidLoad()
{
base.ViewDidLoad ();
RouteViews = new Dictionary<string,CSRouteView>();
// load the points from local resource (file)
var filePath = NSBundle.MainBundle.PathForResource("route", "csv", "MapLineSharp","");
var fileContents = System.IO.File.ReadAllText(filePath);
var pointStrings = fileContents.Split('\n');
var points = new List<CLLocation>();
foreach (var ps in pointStrings)
{
// break the string down into latitude and longitude fields
var latLonArr = ps.Split(',');
double latitude = Convert.ToDouble(latLonArr[0]);
double longitude = Convert.ToDouble(latLonArr[1]);
CLLocation currentLocation = new CLLocation(latitude, longitude);
points.Add(currentLocation);
}
//
// Create our map view and add it as as subview.
//
_mapView = new MKMapView();
_mapView.Frame = new RectangleF (0, 0, this.View.Frame.Width, this.View.Frame.Height);
View.AddSubview(_mapView);
_mapView.Delegate = new MapViewDelegate(this);
// CREATE THE ANNOTATIONS AND ADD THEM TO THE MAP
// first create the route annotation
CSRouteAnnotation routeAnnotation = new CSRouteAnnotation(points);
_mapView.AddAnnotation(routeAnnotation);
CSMapAnnotation annotation = null;
annotation = new CSMapAnnotation (points[0].Coordinate, CSMapAnnotationType.Start, "Start Point");
_mapView.AddAnnotation (annotation);
annotation = new CSMapAnnotation (points[points.Count - 1].Coordinate, CSMapAnnotationType.End, "End Point");
_mapView.AddAnnotation (annotation);
//TODO:create the image annotation
_mapView.SetRegion (routeAnnotation.Region, false);
}
public override void Draw(RectangleF rect)
{
CSRouteAnnotation routeAnnotation = RouteView.Annotation as CSRouteAnnotation;
if (!this.Hidden && routeAnnotation.Points != null && routeAnnotation.Points.Count > 0)
{
CGContext context = UIGraphics.GetCurrentContext();
if (routeAnnotation.LineColor != null)
{
routeAnnotation.LineColor = UIColor.Blue;
}
context.SetStrokeColorWithColor(routeAnnotation.LineColor.CGColor);
context.SetRGBFillColor(0.0f, 0.0f, 1.0f, 1.0f);
// Draw them with a 2.0 stroke width so they are a bit more visible
context.SetLineWidth(2.0f);
for (int idx = 0; idx < routeAnnotation.Points.Count; idx++)
{
CLLocation location = routeAnnotation.Points[idx];
PointF point = RouteView.MapView.ConvertCoordinate(location.Coordinate, this);
Debug.WriteLine("Point: {0}, {1}", point.X, point.Y);
if (idx == 0)
{
context.MoveTo(point.X, point.Y);
}
else
{
context.AddLineToPoint(point.X, point.Y);
}
}
context.StrokePath();
// debug. Draw the line around our view.
/*
* CGContextMoveToPoint(context, 0, 0);
* CGContextAddLineToPoint(context, 0, self.frame.size.height);
* CGContextAddLineToPoint(context, self.frame.size.width, self.frame.size.height);
* CGContextAddLineToPoint(context, self.frame.size.width, 0);
* CGContextAddLineToPoint(context, 0, 0);
* CGContextStrokePath(context);
*/
}
}